CWE
434
Advisory Published
Updated

CVE-2020-11476: Malicious File Upload

First published: Tue Jul 28 2020(Updated: )

Concrete5 before 8.5.3 allows Unrestricted Upload of File with Dangerous Type such as a .phar file.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Concrete5<8.5.3

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Frequently Asked Questions

  • What is the severity of CVE-2020-11476?

    CVE-2020-11476 has a medium severity rating due to the potential for unauthorized file uploads.

  • How do I fix CVE-2020-11476?

    To fix CVE-2020-11476, update Concrete5 to version 8.5.3 or later.

  • What types of files can be uploaded due to CVE-2020-11476?

    CVE-2020-11476 allows the upload of potentially dangerous file types such as .phar files.

  • Who is affected by CVE-2020-11476?

    Anyone using Concrete5 versions prior to 8.5.3 is affected by CVE-2020-11476.

  • What are the risks associated with CVE-2020-11476?

    The risks of CVE-2020-11476 include the possibility of remote code execution and website compromise.

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